[1] Univ Birmingham, Sch Geog Earth & Environm Sci, Div Environm Hlth & Risk Management, Birmingham B15 2TT, W Midlands, England
[2] Imperial Coll London, Fac Med, Sch Publ Hlth, London, England
[3] Chinese Acad Sci Zhongguancun, State Key Lab Struct Chem Unstable, Beijing 100190, Peoples R China
[4] Chinese Acad Sci Zhongguancun, Stable Species Inst Chem, Beijing 100190, Peoples R China
[5] King Abdulaziz Univ, Ctr Excellence Environm Studies, Dept Environm Sci, POB 80203, Jeddah 21589, Saudi Arabia